MARSH CONE FUNNLE :

This cone is used to find out Viscosity of Bentinite slurry and like material. The Marsh Cone is 6 inch in diameter at the top and 12 inch long, and tapers to join a tube 2 inch long and 3/16 inch inside diameter The capacity of the funnel is 1500 cc. Time in seconds required to flow out 1 000 cc of slurry from cone is measured as funnel viscosity of the material.